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Ask Doctor Dawn
Dr. Dawn Motyka
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  File: 2015-08-22.mp3
  Topics for Aug 22, 2015:      
  • Replay, with updates, of Dr. Dawn's review of recent advances in genetics using CRISPR technology. Topics:
  • Testing and sequencing fetal DNA in mother's blood
  • RNA testing reveals the phase and health of the fetus during development
  • Identifying which genes are most important in predicting diseases
  • Single nucleotide mutations (SNPs) can control a wide variety of diseases
  • The role of microRNA in regulating protein translation -- the example of diabetic kidney disease
  • MicroRNA is involved in epigenetic changes behind a variety of diseases
  • Interfering with microRNA to turn off genes in cancer cells
  • Extra DNA in phages and plasmids inside bacteria transmit antibiotic resistance among different species
  • Gene regulation in our cells involves a gene editing mechanism that exists in all organisms, including bacteria
  • Utilizing gene-editing enzymes to manipulate genes to fix mutations or other ways t o attack cancer and other diseases
  • Small regulatory changes in the activity of a gene determines blond vs. brunette hair color
  • Autism may involve the inhibition of DNA unwinding enzymes required to transcribe very long genes linked to Autism
  • DNA vaccines: Injected bacterial DNA can be taken up by immune cells and transcribed into proteins that cause an immune reaction!
  • Using CRISPR technique to edit the genome of T cells to aid the immune system to fight HIV
 Click on a topic with to play or download just that topic